Pinpoint Test N: The Parking Aid Module Does Not Respond To The Diagnostic Tool

WARNING: This page is about a different car, the 2004 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

Test Step

N1 CHECK THE PARKING AID MODULE C4014b FOR DAMAGE

Key in OFF position.
Disconnect: Parking Aid Module C4014b.
Inspect the parking aid module C4014b for damage.
Is the parking aid module C4014b OK?

Result / Action to Take

Yes

GO to N2.

REPAIR the parking aid module C4014b. CARRY OUT the diagnostic tool data link test.

Test Step

N2 CHECK CIRCUIT 693 (OG) BETWEEN THE C251 AND THE PARKING AID MODULE C4014b FOR AN OPEN

Measure the resistance between the parking aid module C4014b pin 1, circuit 693 (OG), harness side and the C251 pin 3, circuit 693 (OG), harness side.

Fig 1: Checking Circuit 693 (OG) Between C251 And Parking Aid Module C4014B For An Open
Courtesy of FORD MOTOR CO.
Is the resistance less than 5 ohms?

Result / Action to Take

Yes

GO to N3.

REPAIR the circuit in question. CARRY OUT the diagnostic tool data link test.

Test Step

N3 CHECK FOR CORRECT PARKING AID MODULE OPERATION

Disconnect all the parking aid module connectors.
Check for:
- corrosion
- pushed-out pins
Connect all the parking aid module connectors and make sure they seat correctly.
Operate the system and verify the concern is still present.
Is the concern still present?

Result / Action to Take

Yes

INSTALL a new parking aid module. REFER to PARKING AID . CARRY OUT the diagnostic tool data link test.

The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.